You want more cubes, don't fool with stroking a 318, you are just turd polishing. Might as well stroke a 360, about the same cost, more cubes, better bore sizing, better choice all around and a virtual bolt in for a 318, a couple of minor issues to deal with.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
